WMA to WAV Converter

Why convert WMA to WAV?

Moving WMA audio to WAV is about compatibility and size — which players accept the file and how much disk or bandwidth it costs once it gets there. WAV (Waveform Audio File Format) earns its place here: bit-perfect, uncompressed audio that every editor and transcription engine can read. WMA is Microsoft's audio format from the Windows Media era. It fills old CD rips and Windows Media Player libraries, and almost nothing outside Windows will play it.

WMA is Microsoft's audio format from the Windows Media era. It fills old CD rips and Windows Media Player libraries, and almost nothing outside Windows will play it.

When WMA → WAV is the right move

• A player, car stereo or editing app in your workflow refuses WMA but handles WAV.
• You are consolidating a music or recording library into a single format instead of a mix of WMA and others.
• You need the file to be smaller, or conversely to stop losing quality, when moving from WMA to WAV.

Quality, size and what changes

The audio is decoded and re-encoded, so the running time, channels and sample content stay intact while bitrate and file size follow WAV. Going from a compressed WMA file to any other lossy format is a second generation of compression — start from the highest-quality source you have when it matters, and expect a lossless target to grow the file rather than improve the sound.

What you gain with WAV: Bit-perfect, uncompressed audio that every editor and transcription engine can read.

How it works

Drop your WMA file above and Morphio decodes it locally, then re-encodes it as WAV using WebAssembly + the browser's native codecs. Nothing is ever uploaded — your files stay on your device. Batch as many files as your machine can handle. See exactly how in-browser conversion works.

WMA to WAV — frequently asked questions